Apple Inc. keeps on changing configuration of devices, it is extremely important to recognize exactly which Apple device you got in order to avoid any non-compatibility issues. Verify various identification properties of your Apple device.

• iPhone 3GS
• [ Year introduced: 2009 ] [ Capacity: 8, 16, 32 GB ] [ Colors: Black and white ] [ Model number on the back cover: A1325, A1303 ]